
public class Test19091802 {
	public static void main(String[] args) {
		double a = 0.08;
		double h = 0;
		int i = 0;
		for (i = 1; h < 8848130; i++) {
			a = a * 2;
			h = a + h;
		}
		System.out.println(i);
	}

}
